LM2574N-015 데이터 시트보기 (PDF) - ON Semiconductor

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LM2574N-015

0.5 A, Adjustable Output Voltage, Step-Down Switching Regulator

ON Semiconductor 

LM2574

TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 16) (continued)

A

50 mV

AC

A

50 mV

AC

500 mA

B

0

200 mA

B 100 mA

200 µs/DIV

A: Output Voltage, 50 mV/DIV, AC Coupled

B: 100 mA to 500 mA Load Pulse

0

200 µs/DIV

A: Output Voltage, 50 mV/DIV, AC Coupled

B: 50 mA to 250 mA Load Pulse

Figure 14. 500 mA Load Transient Response for

Figure 15. 250 mA Load Transient Response for

Continuous Mode Operation, L = 330 µH, Cout = 300 µF Discontinuous Mode Operation, L = 68 µH, Cout = 470 µF

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